測量用調制器 的英文怎麼說

中文拼音 [liángyòngdiàozhì]
測量用調制器 英文
measuring modulator
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : 量動1. (度量) measure 2. (估量) estimate; size up
  • : Ⅰ動詞1 (使用) use; employ; apply 2 (多用於否定: 需要) need 3 (敬辭: 吃; 喝) eat; drink Ⅱ名...
  • 調 : Ⅰ動詞1 (配合得均勻合適) harmonize; suit well; fit in perfectly 2 (使配合得均勻合適) mix; adju...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 測量 : measure; survey; gauge; meter; measurement; measuring; surveying; mensuration; metering; gauging;...
  1. Abstract : radiate thermometer uses a high definitive operation circuit in the modulation and linerization of weak optical signals. the theory of colorimetry was used in measuring the temperature. analogic channel and digital interfaces were added in order to expand the instrument. a kind of double channel ' s photocolorimeter including its hardware and software is introduced

    文摘:輻射溫計採高精度運算電路,對光弱信號進行調和線性化處理,運比色法原理對溫度進行檢.為了便於儀擴展,增加了模擬輸出和數字介面,並對光纖式雙通道比色高溫儀的硬體與軟體的關鍵部分作了簡要介紹
  2. Depend on the comprehensive analysis and study of the structure, principle, and exterior characteristic of the motor, through the methods of system modeling and digital simulation analysis, two kind of control device that work for the low voltage ( lvdc ) and the high voltage ( hvdc ) in avigation are researched respectively. point to the control technique of close - loop speed stabilization at a limited adjustment speed range, we bring out the close - loop speed control method that using the rotor position sensor indirectly measure the speed of the motor

    在全面分析了稀土永磁無刷直流電動機的結構特點、工作原理、運行方式以及外部特性的基礎上,通過系統建模和數字模擬分析,分別針對航空低壓直流( lvdc )和高壓直流( hvdc )兩種電動機構永磁無刷電動機,在小范圍轉速連續調節下的閉環穩速控技術進行了詳細理論研究,提出了利轉子位置傳感信號間接電機轉速進行電機轉速閉環穩速控的策略。
  3. Pre - data gathering module achieves the collection and communication of sixteen - route temperature signal. speed measuring and controlling module realizes the control of refolw soldering transfer speed by manipulating transducer. on - off outputting module fulfills calefaction control of calefaction tube by solid state relay. above position operator software programs by delphi, and realizes pid parameter automatic timing and no - oversnooting temperature control. software has friendly interface, convenient operation, complete functions

    前置數據採集模塊完成16路溫度信號的採集和通訊;速度模塊與速度控模塊通過控變頻調節迴流焊的傳輸速度;開關輸出模塊通過固態繼電對加熱管進行控;上位機軟體採delphi編程,實現了pid參數自整定以及無超調的溫度控
  4. As a new component of sensor, fiber grating have many instinctive advantages, such as light in weight, anti - cauterization, anti - interference in electromagnetism, high - sensitivity and compaction in construction. it is very easy to be coupled with fibers and the coupling - loss is slight. using fiber grating ’ s character of sensitivity for stress ; people have done some envelope experiments on structural systems ( such as storied buildings, bridge, railway and dam )

    光纖光柵傳感除了具有重輕、耐腐蝕、抗電磁干擾、靈敏度高、結構緊湊等優點外,還有其獨特的優越性,如探頭尺寸小,其直徑與光纖等同;易於與光纖耦合,耦合損耗小;波長調型,抗干擾能力強;集傳感與傳輸於一體且具有極強的復能力,易於構成傳感網路;對象廣泛,易於實現多參數傳感等等。
  5. The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox

    本論文中,首先介紹模數轉換的各種參數的意義,以及一階sigma - delta調和高階sigma - delta調的原理;給出解決高階單環sigma - delta調不穩定性的方案,引入級聯結構調,特別針對級聯結構調中的失配和開關電容積分的非理想特性進行詳細的討論;本設計的sigma - delta調2 - 1級聯結構和一位調全差分開關電容電路實現;同時對整個調的各個模塊進行了電路設計,包括跨導放大、開關電容積分、兩相非交疊時鐘等,並利hspice和spectre模擬工具對這些電路進行模擬試;最後,利matlab軟體和simulink工具對整個級聯調進行行為級模擬。
  6. In this method of measuring time - resolved spectrum, a special light beam modulator translates the time - distribution of an optical spectrum into a space - distribution of light intensity of the light beam, and the space - distribution spectrum is dispersed by a multi - spectrometer, then it is detected by an ordinary 2 - d ccd array detector

    瞬態時間分辨譜方法的主要思想:使特殊光束調把光譜隨時間的變化過程轉化為光強的空間分佈,經色散后,以二維探接收並轉換光信號為電信號,計算機控採集並處理光譜數據。
  7. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先,在闡述i / q正交調基本原理的基礎上,通過對誤差矢和鄰近通道功率泄漏的詳細分析,定性、定地討論了各種非理想電路因素(如相位不平衡、幅度不平衡、直流偏差等)對調性能的影響;其次,介紹了鎖相環的工作原理和基本組成部分,包括鎖相環的設計和環路濾波的設計,特別詳述了電荷泵鎖相頻率源;第三,介紹了採直接調技術模擬衛星信號的射頻前端的設計;最後,對整個直接射頻調系統進行試,結果基本上達到了課題要求。
  8. The detecting accuracy of the beam drift would be improved, as a high performance acoustooptic modulator modulates the frequency of the laser beam drift signal far away from the power frequency, the double power frequency and high frequency noises

    具體包括: 1 .利聲光調將光束漂移信號調到遠離工頻及其倍頻干擾和高頻噪聲的頻帶段,以期提高光束漂移的檢精度。
  9. Furthermore, the range of measurement of it was pointed out. all the analysis shows that our crsi 1il can be used to measure the spatial mid and low frequency wavefront distortion. 5. based on our crsi and algorithm, the phase modulation characteristic of an lcslm was measured

    五、利環路徑向剪切干涉儀共光路、雙光束干涉的特點,全場準確了液晶空間光調的位相調特性,並且利它的位相調特性實現了臺階位相板畸變波前的補償,由此證明了液晶空間光調於控波前畸變。
  10. A cyclic radial shearing interferometer was used to diagnose the wavefront distortion of a laser system and an lcslm ( liquid crysnd spatial ligh modulator ) was used to control it. some results have been summarized as follows : l. according to the theory of scalar quanity diffeaction and the model of the random gaussian phase screen of low frequency wavefront, the effect of the low frequency wavefront with different rms gradient on the focal spot of a laser beam was studied

    本論文在激光光束波前畸變檢和控上進行了新的探索,主要就空間相位調環路徑向剪切干涉儀以及它對波前畸變的檢和液晶空間光調及其對中頻段波前畸變的控進行了研究,其研究的內容和取得的成果如下:一、根據標衍射理論,結合低頻波前畸變的高斯隨機位相分佈模型,研究了不同均方根梯度低頻畸變波前對激光光束焦斑聚焦性的影響,並採描述中頻段波前畸變的功率譜密度概念,模擬計算了它對激光焦斑旁瓣的貢獻。
  11. The key technology of measuring time - resolved spectrum is to design and make the special light beam modulator that is used to the time - resolved spectrum detecting

    瞬態時間分辨譜方法的關鍵技術:設計和研製了專於時間分辨譜採集分析的光束調
  12. It is not only the satisfactory substrate used for the epitaxy growth of infrared detector material hgcdte, but also attractive candidates for the manufacture of high quality x - ray or y - ray detectors, photoelectronic modulator, solar cell, and laser windows etc. no matter what the crystal is used as detectors or epitaxy substrate, it is of vital importanteto obtain high quality cdznte crystals with perfect surface

    它不僅是生長紅外探材料hgcdte最理想的外延襯底,而且還被廣泛備高性能x射線或射線探、光電調、太陽能電池和激光窗口等。獲得高性能、高質的czt晶體是至關重要的。無論是作探還是作外延襯底等都要求它的表面質要非常高,因為表面質會直接影響到件的性能。
  13. Vector modulators have been used in this paper to vary the phase and amplitude of signals in the in - band spurious cancellation loop of feed - forward power amplifiers ( ffpa ). in the two - tone test, 3. 5ghz ffpa developed in this paper shows more than 35db improvement in the third - order inter - modulation ( im3 ), offers approximately - 60dbc im3 output, achieves the expected goal, and meets the communication requirement

    本文研製的3 . 5ghz前饋放大了矢調來實現前饋環路的幅度和相位調節,在雙音試結果中,三階交調im3的改善超過了35db ,前饋系統輸出im3抑近- 60dbc ,達到了預期指標,滿足了通信需要。
  14. In addition, from the point of view of practicality, we make a study of experiment and application for double - exposure digital holographic interferometry, namely measuring gradn and grad / i of plane optical flat and measuring phase modulation characteristic of a kind of liquid crystal spatial light modulator ( lc - slm ) - liquid crystal television ( lctv )

    另外,本文還從實的角度出發對二次曝光數字全息干涉術進行了實驗及應的研究,具體就是平面平晶gradn和gradh的以及液晶空間光調( lc - slm )中液晶電視( lctv )的相位特性的
  15. High quality sensor, unique stress isolated technology and flexible installation and debugging method has ensure the best ratio of performance price for wide plus ds series differential pressure transmitter make it suitable for use in wide industrial field or laboratory to measured and controlled the furnace pressure, air flue pressure and air pressure

    高質的傳感獨特的應力隔離技術以及靈活的安裝調試方式保證了wideplus ds系列差壓變送的最佳性能價格比。它可廣泛應於工業領域或實驗室進行爐膛壓力風道壓力空氣壓力等的和控
  16. Methods of measurement for equipment used in digital microwave radio transmission systems - measurements on terrestrial radio - relay systems - transmitter receiver including modulator demodulator

    數字微波無線電發射系統使設備方法.地面無線電中繼系統.發射機接收機包括調調
  17. Methods of measurement for equipment used in digital microwave radio transmission systems - part 2 - 4 : measurements on terrestrial radio - relay systems ; transmitter receiver including modulator demodulator

    數字微波無線電傳輸系統使設備的方法.第2 - 4部分:地面無線電中繼系統的.包括調調的發射機接收機
  18. Methods of measurement for equipment used in digital microwave radio transmission systems ; part 2 : measurements on terrestrial radio - relay systems ; section 4 : transmitter receiver including modulator demodulator

    數字微波無線電發射系統使設備的方法.第2部分:地面無線電中繼系統的.第4節:發射機接收包括調調
  19. Methods of measurement for equipment used in digital microwave radio transmission systems - part 2 : measurements on terrestrial radio - relay systems - section 4 : transmitter receiver including modulator demodulator ; amendment 1

    數字微波無線電發射系統使設備的方法.第2部分:地面無線電中繼系統的.第4節:發射機接收包括調調.修改件1
  20. Methods of measurement for radio equipment used in satellite earth sations. part 2 : measurements for sub - systems. section five : frequency modulators

    衛星地面站無線電設備的方法.第2部分:分系統的.第5節:頻率調
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